US Bridges

US 00004 Ml over Brook

Fair

Windsor County, Vermont · 3.0 MI E JCT Vt 100A · Structure no. 200020004714242

Built
1932
93 years old, rebuilt 1974
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
6,100
2018 count
Owner
State
State Highway Agency

About this bridge

US 00004 Ml over Brook is a concrete slab carrying US 00004 Ml over Brook in Windsor County, Vermont. It was built in 1932 and reconstructed in 1974, so it is 93 years old, older than the Vermont average of 60.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,100 vehicles a day, roughly 9% of them trucks, projected to reach 6,405 by 2028. The structure is 24 ft (7.3 m) long and 39 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesUS 00004 Ml
CrossesBrook
Location3.0 MI E JCT Vt 100A
RouteU.S. Route 4
StateVermont
Coordinates43.5954, -72.60331
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2018)
Projected traffic6,405 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 00004 Ml over Brook built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1974.

What condition is US 00004 Ml over Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does US 00004 Ml over Brook carry?

About 6,100 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US 00004 Ml over Brook?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 39 ft wide.

Who owns US 00004 Ml over Brook?

It is owned by the State Highway Agency.